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• Linux Mint on VirtualBox has no internet connection

  - by Martin

  Physical machine: Mac Mini running OSX 10.7.5 Virtual machine: Linux Mint 15 Cinnamon 64-bit Using VirtualBox. I am trying to make the linux connect to the internet. For some reason I can access the host computer with 192.168.2.100. Its set up to show me a web-page that says "It works". This I can see from the linux. But I cannot reach anything on the internet. Either FireFox says "Unable to connect" or when I run nslookup google.com I get connection timed out; no servers could be reached. My setting on VirtualBox under the Network tab are: Bridge Adapter vnic0 promiscouos Mode:Allow All`. If it makes a difference, the host has a WiFi connection to the home router. What have I missed?

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• Standalone server setup for compute capacity

  - by mikera

  I'm developing an application for my company that will require a lot of compute capacity (running some very big mathematical calculations), and looking for some form of server setup to do this. For various reasons, we want to run this on-site in our office rather than hosting it externally. It's been a while since I last had to set up my own servers so I thought I would tap into the collective wisdom of serverfault! My broad requirements are: Budget $30-50k, with an aim to get as much compute capacity as possible for that budget 64-bit servers suitable to run Ubuntu Linux + Java Some relatively standalone rack that can be installed in secure office space Fast/low latency network connections between the servers, but don't really care about connectivity to the outside world Storage capacity shared between the servers - they don't necessarily need their own storage providing they can be booted from a common image Downtime can be tolerated (since the calculations are run in batch mode) The software itself is fault-tolerant, so there is no need for extra resiliency in the server setup (cheap replaceable commodity parts will be fine in general) Given these requirements what kind of setup would you recommend and why?

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• Is there DBus command to set position of KDE panel?

  - by Liss

  I have single vertical KDE panel. When I switch from single monitor X screen back to triple monitor X screen (with xrandr) my KDE panel ends up on the right edge of middle monitor, instead of right edge of right monitor. Also, many windows are in wrong place after the switch, but I have a script which restores geometry of all windows (as is used to be in triple monitor state before I switched to single monitor mode), so this is not a problem. Unfortunately, it does not work for KDE panel - it stays in the wrong place. I guess I need to use DBus to restore KDE panel position (programmatically move it to right edge of right screen), I tried googling, but it seems it is not very well documented. Is there DBus command to set position of KDE panel?

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• Any way to stop VMWare workstation from dropping SSH connections?

  - by oljones

  I have VMWare workstation 8 with a few Linux guests. I have had problems maintaining an active SSH connection to my VMs when they are in bridged mode. I first read that the onboard realtek network cards were not well supported so I bought a Intel Pro/1000 GT card. This supposedly had support. But this made no difference. Connections via SSH are active for about the first 3 minutes then hang and die. I have changed the TCP Checksum offload on the Intel and Realtek NICs, but this only works some of the time and even then not for very long. The best I could do was about 20 minutes before the connection was dropped. Any ideas?

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• USB-keyboard & mouse powered off in windows-7

  - by sinned

  I have a problem with a pc where usb devices are not getting any power as soon as windows starts up (it works in preboot). This pc has no ps/2, so there is no chance for input, also not in secure boot mode. I "tidied up" using sysinternals autostart, so there is a chance I messed something up here, although I'm quite sure I only deleted some old printer drivers from autostart. I do not know how to reset this, I cant even log in because there is no input possible. I could use a linux live cd, but I don't know what to do there because there is no sysinternals from linux into a not running windows... To make things even worse, I have the windows installation completely encrypted with truecrypt, so I haven't even tried windows recovery cd yet. There is no loss of data since I can access the disc with a live-linux, I only want to use it again without resetting up everything. Any suggestions?

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• remote desktop connection help?

  - by robin agrahari

  sir, i have created a web application in eclipse,db2 database server is running on my pc.so i can access the web application through the address http://localhost:8080/LimsWeb i used team viewer software to establish a remote desktop connection. can my friend somehow connect to my pc so that when he types the above url in his browser he will be able to fetch the pages of the application. i was able to do this by connecting with remote desktop mode.but in that case my friend was able to use the application which i created running on my pc only and in the window provided by team viewer.i want that he can run the application on his own computer calling the given url from his own browser. please help

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• Installing then Running VMware or VirtualBox causes my Windows 7 PC to not boot up after shutting down?

  - by Rick

  At my work I am provided with a Windows 7 PC but I am a programmer and Windows gives me problems for doing some types of development so I want to have a virtual Ubuntu Linux machine that I can use for some things. However, I have tried with both VirtualBox and VMware and I am able to install the latest Ubuntu and run it but then when I try to restart / start the computer after it was shut down, I am unable to boot into Windows normally and end up having to go into Safe mode and then use the system restore to get my system back up and working. I am puzzled by this and would appreciate if anyone has any idea why it would be doing this, I have searched on this but can't find anything. Thanks for any advice

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• Windows 2008 Server Unable to activate with other methods

  - by matt king

  I'm trying to activate windows 2008 server SP2 today since the activation trial is done. I do not have an internet connection with this server so I can not activate online, and with the other servers in this farm I've been able to run the slmgr -ipk xxxxx-xxxxx-xxxxx-xxxxx-xxxxx and then it would open up the activate by phone method and we would just activate that way. I say again, I don't have an internet connection so I can not do the online activate. If I do the slui 4 it brings up the activation window but show me other ways to activate is still greyed out. I've disabled the NIC on this Hyper-V server and I still can not get the other way to activate to show up... Anyone have any ideas? This computer is one of my AD servers so.. it being in notification mode kind of sucks. Thanks.

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• Installing VMWare Tools in Windows Server 2008 fails system startup

  - by Hoghweed

  I recently created a vmware virtual machine with windows server 2008 enterprise as Guest. My host is Ubuntu 10.04 on my Lenovo laptop. I fall into a big trouble which makes my created VM unusable after I've installed VMWare Tools. After installing tools I'm able to run the system only in safe mode. After some event manager analysis I found the issue is with drivers installed by vnmware tools. Any one has got the same issue? Is there any good practice for doing that? The configuration of vm machine is the following CPU : 1 RAM : 1020 HD : 40GB Splitted files, SCSI CD : IDE Thanks in advance

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• Drive stopped working on windows server 2003 and I receive a "controller error"

  - by Durden81

  I can access the server in safe mode. I have a Proliant 360 Hp server with Windows server 2003 R2. The event viewer is completely filled up with this error: the driver detected a controller error on Device\Harddisk3\DR3 I individuated the drive affected. It is drive H that is a secondary non mirrored drive. When I access anything on that drive I receive: "the request could not be performed because of an I/O device error" What should I do? Is this just a driver issue or a hard drive failure? Please give me a quick help as my websites are offline due to this. Any suggestion is welcome!

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• Raid recovery in gigabyte GA-8I945 Pro

  - by epeleg

  This was a working machine until a few days ago. And now it won't boot into the OS, during startup if makes clicking sounds (I think from one of the drives). Installed OS: Windows 2003 Web edition Hardware: Gigabyte GA-8I945P Pro , 2*160G Sata in RAID1 configuration , 2 Volumes – 25G and the rest. When I installed windows on it, during setup, I pressed F6 and used ICH7DH drivers of RAID. The manual for the MOBO says: Step 1: After the POST memory test begins and before the operating system boot begins, look for a message which says "Press to enter Configuration utility" (Figure 4). Press CTRL+ I to enter the RAID BIOS setup utility. But the machine never shows this message. BIOS SATA RAID/AHCI Mode is set to RAID. Any ideas or pointers on what I can do to recover my data? Thanks

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• Exchange 2003 Event ID 9337 - Offline Address Book

  - by Creepycc

  I have a support issue with an Exchange 2003 SP2 server. Event ID: 9337 Description: OALGen did not find any recipients in address list '\Global Address List'. This offline address list will not be generated. - Default Offline Address List When you preview the Global Address list within Exchange Systems Manager all is fine. Turning off cached mode on Outllok clients still errors Public fiolders / System folders are fine OABINTEG detects no issues, Pfdavadmin has checked all DACL The GAL and OAB have been deleted / recreated several times (With differnt names) DCDIAG, NETDIAG, ExchangeBPA all run without error Exhausted Google links diagnosing this issue, any suggestions?

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• Problem with running a flash Program from flashdrive

  - by rajivpradeep

  Hi, I have a USB drive with two partitions in it. one hidden and the other normal. i have an application which swaps the memory and runs the flash application in hidden zone. The problem is that the application works fine on windows7 and when run on WINXp, it swaps the partitions but doesn't run the flash applications but just keeps running in the background. I can see it in task manager. But, when i copy the application to desktop and run , it runs with no glitch I was facing the same problem on WIN7 too , but it was running as required when i ran it using "Run in Xp mode" and then i applied a SHIM and is running since then as required. the application is built using VC++ 2008 , What might be the problem.

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• uWSGI and python virtual env

  - by user27512

  I'm trying to use uWSGI with a virtual env in order to use the Trac bug tracker on it. I've installed system-wide uwsgi via pip. Next, I've installed trac in a virtualenv $ virtualenv venv $ . venv/bin/activate $ pip install trac I've then written a simple uWSGI configuration script: [uwsgi] master = true processes = 1 socket = localhost:3032 home = /srv/http/trac/venv/ no-site = true gid = www-data uid = www-data env = TRAC_ENV=/srv/http/trac/projects/my_project module = trac.web.main:dispatch_request But when I try to launch it, it fails: $ uwsgi --http :8000 --ini /etc/uwsgi/vassals-available/my_project.ini --gid www-data --uid www-data ... Set PythonHome to /srv/http/trac/venv/ ... *** Operational MODE: single process *** ImportError: No module named trac.web.main unable to load app 0 (mountpoint='') (callable not found or import error) I think uWSGI isn't using the virtual env. When inside the virtual env, I can import trac.web.main without having an ImportError. How can I do that ? Thanks

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• Oracle redo log performance degradation when inserting

  - by Aldarund

  I have a oracle 11g database. I'm testing in for inserts. The database running in noarchive mode. I have 3 redo log configured, each 2gb. I'm trying to insert data into test table. At begin it goes fine with 15k ins/second. I make a commit after 200 inserts. But after about 1.3m inserted records it become really slow, about 1-2k ins/second. As i noticed in resource explorer at this point we have filled all redo logs and so the inserts from this points work slow. So my question is why it become so slow when it fills redo logs, even if i commit each 200 records. And how this situation can be fixed ( except the turning off logging completely at inserts)

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• How can I prevent a Windows laptop from making noise when starting up?

  - by Walkerneo

  I have a Windows 7 laptop here that makes a noise each time it starts up. I know I can disable that noise now that I'm logged on, but how could I have prevented it WHILE logging on? I remember that there was one of the function keys (F8?) that would allow you to boot into safe mode, but is there a key that will stop the startup sound? Imagine, for example, having your laptop in the library when you know the volume is all the way up - how could you log into your computer without disturbing everyone else?

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• How to ask Debian not to check last mount time of its file system?

  - by Landy

  I'm using Debian 6.0.5. To test a feature of my product, I need to modify the system date&time back and forth frequently. Once a time I set the system date back to one month ago, then I reboot the system, and it reported the last mount time of the file system is in the future and enter the maintenance mode automatically. I had to run the fsck to make sure the file system is not broken to boot into Debian. Is there any way to ask Debian stop checking the last mount time of its file system when booting? Thanks.

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• ubuntu server in a vm, can't connect to internet

  - by jessh

  I'm attemtping to host my own development web server in a virtual box guest, Ubuntu Server. I would like this virtual machine to be accessible from not only my home network, but outside the LAN as well. As such, I've set up a static IP (so I can later forward ports to this static IP.) My virtual box settings have this vm only using one adapter -- in bridged mode. Here's what my /etc/network/interfaces looks like: iface eth0 inet static address 10.0.1.203 /*this is outside the DHCP range*/ netmask 255.255.255.0 gateway 10.0.1.1 network 10.0.1.0 broadcast 10.0.1.255 dns-nameservers: 8.8.8.8 8.8.8.4 Here's what the output of ifconfig looks like: https://dl.dropbox.com/u/2241201/locker/ubuntu.png My Host is a mac mini, running OS X 10.7. From within the guest, if I ping google.com: $ ping google.com # outputs 'ping: unknown host google.com' immediately Why am I unable to access the web?

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• how to disable moving down on Enter key in Excel 2007?

  - by earlyadopter

  There used to be a check-box in preferences in Excel 2003 to disable moving down on Enter key after you edited a cell. Where could I find that setting in Excel 2007? <whining on>It drives me insane how microsoft trashes users skills and "fingers" memory to make what their new users may be will find easier. What about us, using these products for ten years?<whining off> I want to control moving around with arrow keys, and Enter to only return me from the cell editing mode to navigation, not moving down. I'm not in a data entry business!! I'm analyzing data, editing just few cells time-to-time.

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• Blank screen after grub menu

  - by Tim

  I just rebooted an Ubuntu Server 10.04. After choosing boot options in the grub menu, though, it just displays a black screen with the blinking white underscore in the upper-left corner. The machine has had (hardware) trouble with networking before, but the problem remains after 10 minutes, so I don't think it's the problem now. Booting into recovery mode or using earlier kernels yields the same problem. This also happens if I boot from another hard-drive. I haven't yet tried to boot from CD as the machine lacks a CD reader. How should I diagnose the problem? Update: My boot options are: recordfail insmod ext2 set root='(hd0,1)' search --no-floppy --fs-uuid --set 567[redacted] linux /boot/vmlinuz-2.6.32-29-generic root=UUID=567[redacted] ro quiet splash initrd /boot/initrd.img-2.6.32-29-generic Update: Also, I cannot access the virtual terminals (ctrl+alt+Fn).

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• Windows Java-based apps not working

  - by DariusVE

  After updating the Java JRE to 7u25, many Java-based applications not works as usual, the I upgrade Java to 7u45, and still the apps not working. Minecraft start screen not showing, have to press TAB key to select the Run button and press ENTER to run the game. Netbeans IDE it's running, but none it's showing on the screen. Eclipse and JDownloader are working fine. I cannot run the Java Control Panel, it's only shows the Java icon at the taskbar. My System OS: Windows 7 Ultimate SP1 64Bits Java: java version "1.7.0_45" Java(TM) SE Runtime Environment (build 1.7.0_45-b18) Java HotSpot(TM) Client VM (build 24.45-b08, mixed mode, sharing)

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• Netcat UDP File Transfer Between Two Servers Times Out?

  - by Mark Bowytz

  I'm testing file transfer speeds between two Red Hat servers that are connected to the same switch within the data center and I decided to use netcat to eliminate protocol overhead as much as possible. Testing in TCP mode went well and I was wondering how UDP might fare. On my receiving (client) end, I ran this: nc -u -l 11225 -v > myfile.out And then on the sending (server) end I ran the following: cat myfile.out | nc -u myserver.foo.zzz.com 11225 -v The file I'm testing with is 38 GB but the transfer seems to stop at around 15 GB (one time at 14.9, another at 15.6). I've tested by adding a "-w 5000" just in case it's timing out but no joy. Adding the -v doesn't show anything except acknowledging that the connection occurred. No errors. So - any suggestions as to why would the transfer cease?

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• Problem with running a program from flashdrive

  - by rajivpradeep

  I have a USB drive with two partitions in it, one hidden and one normal. I have an application which swaps the memory and runs the flash application in hidden zone. The problem is that the application works fine on Windows 7 and when run on Win XP, it swaps the partitions but doesn't run the flash applications but just keeps running in the background. I can see it in task manager. But, when I copy the application to desktop and run, it runs with no glitch. I was facing the same problem on Win 7 too, but it was running as required when I ran it using "Run in XP mode" and then I applied a SHIM and is running since then as required. The application is built using VC++ 2008. What might be the problem?

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• how to make SFTP work on Windows

  - by cyberkiwi

  What is the correct way to set up sshwindows for SSH key authentication? Does the user need to be created in Windows first or can a login be inserted into passwd without a Windows equivalent? I've searched on Google and have tried the tutorials and quick start guides. So far, exactly 0 have worked. None pointed out that to work in Windows 2008 R2, you need to change the properties of cygrunsrv.exe to "Windows XP SP3" compability mode to even get past the service startup "error 1067". Although it is running, no amount of configuration allowed me to log on to the SFTP server, even though I tried (from another machine): same user account added using "mkpasswd" + windows password same user account added using "mkpasswd" + public ssh key (added to /home/theuser/.ssh) On Windows 2003 R2 (a different attempt), the service would crash every time it started up. Some links I went through http://pigtail.net/LRP/printsrv/cygwin-sshd.html http://forevergeeks.com/how-to-setup-a-secure-ftp-sftp-site-with-openssh-on-windows/ http://support.moonpoint.com/os/windows/server2003/openssh-service-not-starting.html

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• How to switch a Sound Ouput Device before the Mac goes to sleep?

  - by Konzepz

  I've connected my MacBook to a set of external speakers with a USB. Now, every time the computer goes to Sleep Mode, there's an awful static sound coming from the speakers. I guess this is some bad wiring; but that's what I've got. However, I can use an idea for a script (AppleScript, bash, whatever) that will switch off the USB output sound in (System Preferences) before the computer goes to sleep, and will switch it back on (if exists) on Wake. Any ideas? Thanks!

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